/* ==========================================================================
   Pure Engineering LLC — Modular Static Website Stylesheet (Concept 17)
   Single stylesheet shared across index.html, projects.html, tools.html,
   tips.html, and about.html.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500&family=JetBrains+Mono:wght@400;500&display=swap');

@font-face {
  font-family: "Portfolio Mono";
  src: url("assets/fonts/DejaVuSansMono.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: block;
}

:root,
[data-theme="light"] {
  --bg: #ffffff;
  --paper: #f7f7f5;
  --elevated: #f0f0ec;
  --hover: #f5f5f2;
  --ink: #111111;
  --body: #262626;
  --muted: #737373;
  --line: #e5e5e5;
  --frame: #111111;
  --accent: #111111;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  color-scheme: light;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 4px;
}

[hidden] {
  display: none !important;
}

a {
  color: var(--ink);
  text-underline-offset: 0.2em;
}

main p a,
[data-metric-value] a {
  text-decoration: underline;
  text-underline-offset: 4px;
}

h1, h2, h3, h4, th {
  font-weight: 400;
  color: var(--ink);
}

p {
  max-width: 80ch;
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--body);
}

small {
  color: var(--muted);
  font-size: 0.75rem;
}

code {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  overflow-wrap: anywhere;
}

ul {
  list-style: none;
}

button, input, select, textarea {
  font: inherit;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 0.55rem 0.75rem;
}

button {
  cursor: pointer;
}

.pe-skip-link {
  position: absolute;
  left: -9999px;
  top: 0.5rem;
  z-index: 999;
  background: var(--ink);
  color: var(--bg);
  padding: 0.5rem 0.85rem;
  font: 500 0.78rem/1 var(--font-mono);
  text-decoration: none;
}

.pe-skip-link:focus {
  left: 1rem;
}

/* ==========================================================================
   Shared Concept 17 Page Shell, Header, Full-Grid SVG Logo & Footer
   ========================================================================== */

.pe-shell {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 3.5vw, 3.5rem) 4rem;
}

.pe-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--frame);
}

.pe-loc {
  font: 500 11px/1 var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
}

.pe-loc:hover {
  color: var(--ink);
}

.pe-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2rem;
}

.pe-nav a,
.pe-nav button {
  font: 400 14.5px/1 var(--font-sans);
  color: var(--ink);
  text-decoration: none;
  background: transparent;
  border: 0;
  padding: 0;
  min-height: auto;
  cursor: pointer;
}

.pe-nav a[aria-current="page"] {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.pe-nav a:hover,
.pe-nav button:hover {
  opacity: 0.55;
  background: transparent;
}

.pe-brand-lockup {
  width: 100%;
  margin: 2.25rem 0 2rem;
}

.pe-logo-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.pe-logo-svg {
  width: 100%;
  height: auto;
  display: block;
  color: var(--ink);
}

.pe-hero-title {
  font: 400 clamp(2.1rem, 3.82vw, 3.38rem)/1.1 var(--font-sans);
  letter-spacing: -0.032em;
  color: var(--ink);
  width: 100%;
  max-width: none;
  margin-bottom: 0.75rem;
}

.pe-hero-lead {
  font: 400 15.5px/1.6 var(--font-sans);
  color: var(--body);
  max-width: 76ch;
  margin-top: 0.85rem;
}

.pe-footer {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--frame);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--muted);
}

.pe-footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
}

.pe-footer-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.8rem;
}

.pe-footer-links a:hover {
  color: var(--ink);
  text-decoration: underline;
}

/* ==========================================================================
   Concept 17 Home Page Sections (Split + 3-Column Directory Cards)
   ========================================================================== */

.pe-split {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--frame);
  margin: 3rem 0 3.5rem;
}

.pe-split-left span {
  display: inline-block;
  font: 400 14px/1.4 var(--font-sans);
  text-decoration: underline;
  text-underline-offset: 4px;
  margin-bottom: 0.85rem;
  color: var(--ink);
}

.pe-split-left h2 {
  font: 400 clamp(1.75rem, 3vw, 2.5rem)/1.12 var(--font-sans);
  letter-spacing: -0.03em;
  color: var(--ink);
}

.pe-split p {
  font: 400 15.5px/1.55 var(--font-sans);
  color: var(--ink);
  max-width: none;
  margin-bottom: 2rem;
}

.pe-muted-list {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.pe-muted-list li {
  font: 400 15px/1.45 var(--font-sans);
  color: var(--muted);
  transition: color 0.15s ease;
}

.pe-muted-list li > a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  text-decoration: none;
  padding: 0.15rem 0;
  transition: color 0.15s ease, padding-left 0.15s ease;
}

.pe-muted-list li > a small {
  font: 400 0.72rem/1 var(--font-mono);
  color: var(--muted);
  opacity: 0;
  transition: opacity 0.15s ease, color 0.15s ease;
  flex-shrink: 0;
}

.pe-muted-list li:hover,
.pe-muted-list li:focus,
.pe-muted-list li > a:hover,
.pe-muted-list li > a:focus-visible {
  color: var(--ink);
}

.pe-muted-list li > a:hover small,
.pe-muted-list li > a:focus-visible small {
  opacity: 1;
  color: var(--ink);
}

.pe-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--frame);
}

.pe-card-art {
  aspect-ratio: 16 / 10;
  background: var(--paper);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  overflow: hidden;
}

.pe-card-art svg,
.pe-card-art canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.pe-card-art canvas {
  cursor: crosshair;
}

.pe-cards h3 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

[data-dir-list] {
  display: flex;
  flex-direction: column;
}

[data-dir-list] a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  font-size: 0.92rem;
  color: var(--ink);
  transition: padding-left 0.15s ease;
}

[data-dir-list] a:first-child {
  border-top: 1px solid var(--line);
}

[data-dir-list] a:hover {
  padding-left: 0.25rem;
  background: var(--hover);
}

[data-dir-list] small {
  font: 400 0.74rem/1 var(--font-mono);
  color: var(--muted);
  flex-shrink: 0;
}

/* ==========================================================================
   Projects Page (Concept 17 + Upper-Right Medium Borderless ASCII Portfolio)
   ========================================================================== */

[data-stack] {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

[data-bar] {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

[data-cluster] {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

[data-spec-doc] {
  min-width: 0;
}

section[data-spec-doc] {
  margin-bottom: 2.5rem;
}

[data-spec-section] {
  padding: 0.5rem 0 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-width: 0;
}

[data-spec-section-bar] {
  padding: 1rem 0;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--line);
}

[data-spec-label] {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 400;
  letter-spacing: 0.045em;
  color: var(--ink);
}

[data-grid] {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1.5rem;
  margin: 0.75rem 0 1rem;
  padding: 1.5rem 0;
  border-block: 1px solid var(--line);
}

[data-metric-cell] {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
}

[data-metric-cell] > span:first-child {
  color: var(--muted);
  font-size: 0.7rem;
}

[data-metric-value] {
  font-size: 1.45rem;
  letter-spacing: -0.035em;
  line-height: 1.3;
  color: var(--ink);
}

[data-metric-cell] small {
  font-size: 0.68rem;
}

[data-filter-bar] {
  border-block: 1px solid var(--line);
  margin-top: 0.5rem;
  padding: 1.25rem 0;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

[role="tablist"] {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.1rem;
}

[role="tab"] {
  min-height: 2.25rem;
  padding: 0.35rem 0;
  border: 0;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  background: transparent;
  font-size: 0.76rem;
}

[role="tab"][aria-selected="true"] {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

[role="tab"]:hover {
  color: var(--ink);
  background: transparent;
}

input[type="search"] {
  width: 100%;
  font-size: 0.9rem;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--line);
}

input[type="search"]:focus {
  border-color: var(--ink);
  outline: none;
}

[data-era-block] > [data-spec-section-bar] {
  border-top: 1px solid var(--frame);
}

[data-project-row] {
  border-bottom: 1px solid var(--line);
}

[data-project-row]:last-child {
  border-bottom: 0;
}

/* Upper-right, borderless ASCII layout */
[data-item-summary] {
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  padding: 2rem 0 1.1rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.5rem;
  align-items: start;
}

[data-item-summary]:hover {
  background: transparent;
}

[data-item-summary]:hover [data-project-title] {
  text-decoration: underline;
  text-underline-offset: 4px;
}

[data-item-summary][aria-expanded="false"] {
  padding-bottom: 2rem;
}

[data-row-copy] {
  order: 1;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  min-width: 0;
}

[data-ascii-photo] {
  order: 2;
  margin: 0;
  aspect-ratio: 1 / 1;
  width: 10.5rem;
  height: 10.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Portfolio Mono", monospace;
  font-size: 0.53rem;
  line-height: 1.12;
  letter-spacing: 0;
  white-space: pre;
  overflow: hidden;
  padding: 0.4rem;
  color: var(--ink);
  background: transparent;
  border: 1px solid transparent;
  flex-shrink: 0;
  user-select: none;
}

[data-row-title] {
  display: flex;
  align-items: baseline;
  gap: 0.35rem 0.85rem;
  flex-wrap: wrap;
}

[data-project-title] {
  order: 2;
  flex: 0 0 100%;
  min-width: 0;
  font-size: 1.35rem;
  line-height: 1.4;
  letter-spacing: -0.025em;
  color: var(--ink);
}

[data-pill] {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.025em;
}

[data-expand-indicator] {
  align-self: flex-start;
  margin-top: 0.15rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1;
}

[data-row-copy] > p {
  max-width: 90ch;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

[data-row-copy] > [data-cluster] {
  gap: 0.35rem 0.85rem;
  color: var(--muted);
}

[data-row-copy] code {
  font-size: 0.7rem;
}

[data-project-detail] {
  padding: 0.85rem 0 2.25rem;
  display: grid;
  grid-template-columns: 1fr 1.15fr 1fr;
  gap: 1.75rem;
}

[data-spec-clause] {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 0.65rem;
}

[data-spec-clause] > h4 {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  line-height: 1.5;
}

[data-spec-clause] > p {
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--ink);
}

/* ==========================================================================
   Create Task Order Page (pe-task-order-creator — wireframe_mvp2.html port)
   ========================================================================== */

pe-task-order-creator {
  display: block;
}

pe-task-order-creator [data-stack] {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

pe-task-order-creator h1 {
  font: 500 1.45rem/1.25 var(--font-sans);
  letter-spacing: -0.02em;
  color: var(--ink);
}

pe-task-order-creator h2 {
  font: 600 0.85rem/1.3 var(--font-mono);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--ink);
}

pe-task-order-creator [data-grid="2"] {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 0;
  padding: 0;
  border: 0;
}

pe-task-order-creator [data-grid="3"] {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 0;
  padding: 0;
  border: 0;
}

pe-task-order-creator article[data-box],
pe-task-order-creator article[data-spec-doc],
pe-task-order-creator article[data-spec-sheet] {
  border: 1px solid var(--frame);
  background: var(--bg);
  min-width: 0;
  display: flex;
  flex-direction: column;
}

pe-task-order-creator article[data-box] > header {
  padding: 0.65rem 1.25rem;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

pe-task-order-creator article[data-box] > div,
pe-task-order-creator article[data-box] > form {
  padding: 1.15rem 1.25rem;
}

pe-task-order-creator [data-spec-list-section] {
  border-bottom: 1px solid var(--line);
}

pe-task-order-creator [data-spec-list-section]:last-child {
  border-bottom: 0;
}

pe-task-order-creator [data-spec-section-bar] {
  padding: 0.65rem 1.25rem;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

pe-task-order-creator [data-spec-section] {
  padding: 1.15rem 1.25rem;
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

pe-task-order-creator [data-spec-section]:last-child {
  border-bottom: 0;
}

pe-task-order-creator button[data-spec-block-link] {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  text-align: left;
  white-space: normal;
  border: 0;
  padding: 1rem 1.25rem;
  background: transparent;
  color: var(--ink);
  font: 400 0.95rem/1.5 var(--font-sans);
}

pe-task-order-creator button[data-spec-block-link]:hover {
  background: var(--hover);
}

pe-task-order-creator ul[data-spec-list] > li {
  border-bottom: 1px solid var(--line);
}

pe-task-order-creator ul[data-spec-list] > li:last-child {
  border-bottom: 0;
}

pe-task-order-creator ul[data-spec-list] > li > button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  text-align: left;
  white-space: normal;
  border: 0;
  padding: 0.9rem 1.25rem;
  background: transparent;
  color: var(--ink);
  font: 400 0.92rem/1.45 var(--font-sans);
}

pe-task-order-creator ul[data-spec-list] > li > button:hover {
  background: var(--hover);
}

pe-task-order-creator [data-item-row] {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.85rem;
  align-items: baseline;
  min-width: 0;
}

pe-task-order-creator label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font: 600 0.75rem/1.2 var(--font-mono);
  color: var(--ink);
  min-width: 0;
}

pe-task-order-creator input,
pe-task-order-creator select,
pe-task-order-creator textarea {
  font: 400 0.9rem/1.45 var(--font-sans);
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--frame);
  background: var(--bg);
  color: var(--ink);
  width: 100%;
}

pe-task-order-creator button:not([data-spec-block-link]):not([role="tab"]),
pe-task-order-creator [data-btn] {
  appearance: none;
  font: 600 0.75rem/1.2 var(--font-mono);
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--frame);
  background: var(--bg);
  color: var(--ink);
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

pe-task-order-creator button:not([data-spec-block-link]):not([role="tab"]):hover:not(:disabled),
pe-task-order-creator [data-btn]:hover {
  background: var(--hover);
}

pe-task-order-creator button:disabled,
pe-task-order-creator [aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed;
}

pe-task-order-creator [data-primary] {
  background: var(--ink) !important;
  color: var(--bg) !important;
  border-color: var(--ink) !important;
}

pe-task-order-creator [data-actions] {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.6rem;
}

pe-task-order-creator nav[data-breadcrumb] {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  font: 600 0.75rem/1.3 var(--font-mono);
  color: var(--muted);
}

pe-task-order-creator nav[data-breadcrumb] button {
  border: 0 !important;
  background: transparent !important;
  padding: 0 !important;
  font: inherit;
  color: var(--muted);
  text-decoration: underline;
}

pe-task-order-creator article[data-spec-sheet] {
  padding: 2rem 2.25rem;
  gap: 2rem;
}

pe-task-order-creator [data-doc-section] {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

pe-task-order-creator [data-doc-heading] {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid var(--line);
}

pe-task-order-creator [data-doc-items] {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

pe-task-order-creator [data-doc-item] {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--line);
}

pe-task-order-creator [data-doc-item]:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

pe-task-order-creator [data-doc-subheading] {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

pe-task-order-creator h3[data-doc-clause] {
  font: 500 1rem/1.5 var(--font-sans);
  color: var(--ink);
}

.pe-hover-explainer {
  position: fixed;
  z-index: 1200;
  max-width: 21rem;
  padding: 0.7rem 0.85rem;
  background: var(--ink);
  color: var(--bg);
  border: 1px solid var(--ink);
  font-size: 0.78rem;
  line-height: 1.45;
  pointer-events: none;
  margin: 0;
}

.pe-hover-explainer strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 0.25rem;
  color: #d4d4d4;
}

/* ==========================================================================
   Preserved Project, Module & Engineering Reference Pages (Concept 17)
   ========================================================================== */

.pe-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  font: 400 0.75rem/1.3 var(--font-mono);
  color: var(--muted);
  margin-bottom: 1.25rem;
}

.pe-breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

.pe-breadcrumb a:hover {
  color: var(--ink);
  text-decoration: underline;
}

.pe-page-kicker {
  display: inline-block;
  font: 500 0.72rem/1.2 var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.pe-action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.25rem;
}

.pe-btn-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font: 500 0.76rem/1.2 var(--font-mono);
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--frame);
  background: var(--bg);
  color: var(--ink);
  text-decoration: none;
}

.pe-btn-link:hover {
  background: var(--hover);
}

.pe-btn-link[data-primary] {
  background: var(--ink);
  color: var(--bg);
}

.pe-btn-link[data-primary]:hover {
  opacity: 0.88;
}

.pe-section-block {
  border-top: 1px solid var(--frame);
  padding-top: 1.75rem;
  margin-top: 2.5rem;
}

.pe-section-block h2 {
  font: 400 clamp(1.35rem, 2.2vw, 1.75rem)/1.2 var(--font-sans);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.pe-feature-cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
}

.pe-feature-box {
  border-top: 1px solid var(--line);
  padding-top: 1rem;
}

.pe-feature-box h3 {
  font: 500 0.76rem/1.4 var(--font-mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.pe-bullet-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.pe-bullet-list li {
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--body);
  padding-left: 1rem;
  position: relative;
}

.pe-bullet-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--muted);
  font-family: var(--font-mono);
}

.pe-photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr));
  gap: 1.25rem;
  margin-top: 1rem;
}

.pe-photo-card {
  position: relative;
  border: 1px solid var(--line);
  background: var(--paper);
  display: flex;
  flex-direction: column;
  margin: 0;
  min-width: 0;
  transition: border-color 0.15s ease;
}

.pe-photo-card:hover {
  border-color: var(--frame);
}

.pe-photo-card figcaption a::after {
  content: "";
  position: absolute;
  inset: 0;
}

.pe-photo-frame {
  aspect-ratio: 4 / 3;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.pe-photo-frame--ascii {
  background: #ffffff;
}

.pe-card-ascii {
  margin: 0;
  font: 400 0.68rem/1.28 "Portfolio Mono", monospace;
  color: var(--ink);
  white-space: pre;
  text-align: left;
  user-select: none;
}

.pe-photo-frame img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}

.pe-photo-card figcaption {
  padding: 0.65rem 0.85rem;
  font: 400 0.75rem/1.45 var(--font-mono);
  color: var(--body);
  overflow-wrap: anywhere;
}

.pe-resource-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(19rem, 1fr));
  gap: 0.65rem 1.5rem;
}

.pe-resource-link {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  font-size: 0.9rem;
  color: var(--ink);
  min-width: 0;
}

.pe-resource-link > span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.pe-resource-link:hover {
  background: var(--hover);
  padding-left: 0.25rem;
}

.pe-resource-link small {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted);
  flex-shrink: 0;
}

.pe-code-pre {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 1rem 1.25rem;
  font: 400 0.8rem/1.6 var(--font-mono);
  color: var(--ink);
  overflow-x: auto;
  white-space: pre-wrap;
  margin-top: 0.75rem;
}

.pe-ref-directory {
  border-top: 1px solid var(--frame);
  padding-top: 1.5rem;
  margin: 2rem 0 2.5rem;
}

.pe-ref-directory-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  margin-top: 1rem;
}

.pe-ref-directory-col h3 {
  font: 500 0.75rem/1.4 var(--font-mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

@media (max-width: 960px) {
  .pe-split,
  .pe-cards,
  .pe-feature-cols,
  .pe-ref-directory-grid,
  pe-task-order-creator [data-grid="2"],
  pe-task-order-creator [data-grid="3"],
  [data-project-detail] {
    grid-template-columns: 1fr;
  }
  [data-grid] {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  [data-item-summary] {
    grid-template-columns: 1fr;
  }
  [data-ascii-photo] {
    order: 0;
  }
}